<template>
  <div class="app">
    <!-- <h1>{{ message }}</h1> -->
    <content-vue v-model="message"></content-vue>
    <!-- 内部帮我们做了这个事情 -->
    <!-- <content-vue :modelValue="message" @update:modelValue="message = $event"></content-vue> -->
  </div>
</template>

<script>
import ContentVue from './ContentVue.vue'

export default {
  components: { ContentVue },
  data() {
    return {
      message: "Hello World"
    }
  }

}
</script>

<style>

</style>